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:: Volume 9, Issue 36 (2019) ::
joc 2019, 9(36): 23-29 Back to browse issues page
Antimicrobial Activity and Molecular Identification of Nocardiopsis sp. AHA2 from Deylam Nearshore Sediments
Hassan Alijani , Soheila Matroodi * , Ali Sharafi , Isac Zamani
1- Department of Marine biology, Faculty of Marine Science, Khoramshahr University of marine science and technology, Iran. , s.matroodi@kmsu.ac.ir
Abstract:   (237 Views)
The aim of this study was identification and antimicrobial activity examination of Nocardiopsis sp. isolated from Deylam nearshore sediments. Samples were collected from Deylam nearshore sediments on the late September 2014. Identification was done using 16Sr RNA analysis. Antimicrobial assay of the bacterial extracts was performed using standard well diffusion assay. Nocardiopsis was isolated and identified according to amplification and sequencing of 16Sr RNA gene. Differential analyses results for catalase and Gram test were positive and for other tests were negative. Antimicrobial assays showed that the sample had more antifungal activity than antibacterial activity against tested pathogenic microbes. Antibacterial activity results showed that the metabolites extracted from samples were active against Salmonella sp. (inhibition zone, 8.86 mm) and Bacillus cereus (inhibition zone, 7.9 mm). Antifungal activity analysis demonstrated that more inhibition zone was observed against Aspergillus flavus (14.4 mm). The results of this investigation revealed that Deylam nearshore sediments were a rich source of rare actinomycetes which produced bioactive compounds.
Keywords: Marine actinomycetes, Nocardiopsis, Antimicrobial activity, Deylam nearshore, Persian Gulf
Full-Text [PDF 113 kb]   (87 Downloads)    
Type of Study: Research | Subject: Marine Biology
Received: 2017/10/18 | Accepted: 2018/02/4 | ePublished: 2019/05/4
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Alijani H, Matroodi S, Sharafi A, Zamani I. Antimicrobial Activity and Molecular Identification of Nocardiopsis sp. AHA2 from Deylam Nearshore Sediments. joc. 2019; 9 (36) :23-29
URL: http://joc.inio.ac.ir/article-1-1128-en.html

Volume 9, Issue 36 (2019) Back to browse issues page
نشریه علمی پژوهشی اقیانوس شناسی Journal of Oceanography
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